/***********************************************************************/
/*                                                                     */
/*                           Objective Caml                            */
/*                                                                     */
/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
/*                                                                     */
/*  Copyright 1996 Institut National de Recherche en Informatique et   */
/*  en Automatique.  All rights reserved.  This file is distributed    */
/*  under the terms of the GNU Library General Public License, with    */
/*  the special exception on linking described in file ../LICENSE.     */
/*                                                                     */
/***********************************************************************/

/* $Id$ */

#ifndef _fail_
#define _fail_

/* <private> */
#include <setjmp.h>
/* </private> */
#include "misc.h"
#include "mlvalues.h"

/* <private> */
#define OUT_OF_MEMORY_EXN 0     /* "Out_of_memory" */
#define SYS_ERROR_EXN 1         /* "Sys_error" */
#define FAILURE_EXN 2           /* "Failure" */
#define INVALID_EXN 3           /* "Invalid_argument" */
#define END_OF_FILE_EXN 4       /* "End_of_file" */
#define ZERO_DIVIDE_EXN 5       /* "Division_by_zero" */
#define NOT_FOUND_EXN 6         /* "Not_found" */
#define MATCH_FAILURE_EXN 7     /* "Match_failure" */
#define STACK_OVERFLOW_EXN 8    /* "Stack_overflow" */
#define SYS_BLOCKED_IO 9        /* "Sys_blocked_io" */
#define ASSERT_FAILURE_EXN 10   /* "Assert_failure" */

#ifdef POSIX_SIGNALS
struct longjmp_buffer {
  sigjmp_buf buf;
};
#else
struct longjmp_buffer {
  jmp_buf buf;
};
#define sigsetjmp(buf,save) setjmp(buf)
#define siglongjmp(buf,val) longjmp(buf,val)
#endif

CAMLextern struct longjmp_buffer * external_raise;
extern value exn_bucket;

/* </private> */

CAMLextern void mlraise (value bucket) Noreturn;
CAMLextern void raise_constant (value tag) Noreturn;
CAMLextern void raise_with_arg (value tag, value arg) Noreturn;
CAMLextern void raise_with_string (value tag, char * msg) Noreturn;
CAMLextern void failwith (char *) Noreturn;
CAMLextern void invalid_argument (char *) Noreturn;
CAMLextern void raise_out_of_memory (void) Noreturn;
CAMLextern void raise_stack_overflow (void) Noreturn;
CAMLextern void raise_sys_error (value) Noreturn;
CAMLextern void raise_end_of_file (void) Noreturn;
CAMLextern void raise_zero_divide (void) Noreturn;
CAMLextern void raise_not_found (void) Noreturn;
CAMLextern void init_exceptions (void);
CAMLextern void array_bound_error (void) Noreturn;
CAMLextern void raise_sys_blocked_io (void) Noreturn;

/* <private> */
CAMLextern void (*caml_reset_sigmask)(void);
/* </private> */

#endif /* _fail_ */